# abscissa

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Related to Cartesian coordinates: Cartesian equation

## abscissa

[ab-sis´ah]the horizontal line in a graph along which are plotted the units of one of the variables considered in the study, as time in a time-temperature study. The other line is called the ordinate.

Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

## ab·scis·sa

(ab-sis'ă),In a plane cartesian coordinate system, the horizontal axis (

*x*). Compare: ordinate. [L.

*ab-scindo,*pp.*-scissus,*to cut away from]Farlex Partner Medical Dictionary © Farlex 2012

## ab·scis·sa

(ab-sis'ă)In a plane cartesian coordinate system, the horizontal axis (

*x*).[L.

*ab-scindo,*pp.*-scissus,*to cut away from]Medical Dictionary for the Dental Professions © Farlex 2012

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